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-rw-r--r--tools/power/cpupower/bench/Makefile5
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/power/cpupower/bench/Makefile b/tools/power/cpupower/bench/Makefile
index a4b902f9e1c4..34e5894476eb 100644
--- a/tools/power/cpupower/bench/Makefile
+++ b/tools/power/cpupower/bench/Makefile
@@ -1,4 +1,9 @@
# SPDX-License-Identifier: GPL-2.0
+ifeq ($(MAKELEVEL),0)
+$(error This Makefile is not intended to be run standalone, but only as a part \
+of the main one in the parent dir)
+endif
+
OUTPUT := ./
ifeq ("$(origin O)", "command line")
ifneq ($(O),)